Servo-driven linear blow molding machine

Abstract

This utility model discloses a servo-driven linear blow molding machine, relating to the field of blow molding machine technology. The linear blow molding machine includes a linear frame with a threaded screw inside. A screw slider is movably mounted on the screw. A servo motor is mounted at one end of the linear frame, and the output shaft of the servo motor is connected to the screw via a coupling. It also includes a connecting seat welded to the upper end of the screw slider, with a loading platform welded to the upper end of the connecting seat. Three support seats are placed on the upper end of the loading platform, each with a movable groove inside. A fixed mold base is integrally formed on the upper end of the support seats. This invention solves the problem that existing servo-driven blow molding machines, while using a diversion component to separate finished and defective products, still require manual loading and unloading operations during the blow molding process, which affects the blow molding efficiency.

Description

Technical Field

[0001] This utility model relates to the field of blow molding machine technology, specifically a servo-driven linear blow molding machine. Background Technology

[0002] A blow molding machine is a machine that blows bottles. In its simplest terms, it is a machine that can blow plastic granules or pre-made bottle preforms into bottles using certain processes.

[0003] For example, the announcement number CN210880853U (named "A Plastic Blow Molding Machine Discharge Device") includes a plastic blow molding machine body. The plastic blow molding machine body has a discharge port, and a receiving platform is provided at the discharge port. An anti-static curtain is vertically arranged downward along the upper edge of the discharge port. A receiving box is provided below the receiving platform, and a waste box is also provided on one side of the receiving box. A defective product diversion component is provided on the receiving platform, which is connected to the waste box and the receiving box respectively. The defective product diversion component is connected to the discharge port. The receiving platform is connected to the waste box and the receiving box respectively. The receiving platform at the discharge port facilitates material reception. At the same time, the anti-static curtain can reduce the static electricity generated by the friction between the plastic bottles and the device. The plastic bottles produced sequentially on the production line fall into the defective product diversion component, and the defective product diversion component diverts the finished products and defective products to the waste box and the receiving box respectively. This facilitates the diversion of plastic bottles, makes it easy to separate defective products, and reduces labor costs.

[0004] The aforementioned servo-driven blow molding machine separates finished products and defective products through a set diversion component. However, manual loading and unloading operations are still required during the blow molding process, which affects the blow molding efficiency of the machine. To address this, we provide a servo-driven linear blow molding machine. Utility Model Content

[0005] The purpose of this invention is to provide a servo-driven linear blow molding machine to solve the problem mentioned in the background art that the existing servo-driven blow molding machine separates finished products and defective products through a set diversion component, but still requires manual loading and unloading operations during the blow molding process, which affects the blow molding efficiency of the blow molding machine.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a servo-driven linear blow molding machine, comprising a linear frame, a threaded screw is provided inside the linear frame, a screw slider is movably provided on the threaded screw, a servo motor is provided at one end of the linear frame, and the output shaft of the servo motor is connected to the threaded screw via a coupling.

[0007] Also includes:

[0008] The connecting seat is welded to the upper end of the lead screw slider, and a loading platform is welded to the upper end of the connecting seat. Three bearing seats are placed on the upper end of the loading platform, and each of the three bearing seats has a movable groove inside.

[0009] A fixed mold base is integrally formed and located at the upper end of the support base, and a movable mold base is provided on one side of the fixed mold base. A bottom slide block is movably arranged inside the movable groove, and the bottom slide block and the movable mold base are integrally formed.

[0010] A carrier platform is welded to one side of the linear frame, and an electric push rod is fixed to the upper end of the carrier platform by screws. A transmission connecting plate is welded to one end of the piston rod of the electric push rod, and a bottle blowing mechanism is welded to one end of the transmission connecting plate. A compressed gas cylinder is installed on the top of the bottle blowing mechanism, and a blowing nozzle is installed at the bottom port of the compressed gas cylinder.

[0011] Preferably, one end of the movable groove is provided with a threaded guide hole, and a linkage screw is movably disposed inside the threaded guide hole. An anti-detachment turntable is rotatably disposed in the internal cavity of the bottom slider, and the linkage screw and the anti-detachment turntable are an integral structure.

[0012] Preferably, a throttle is welded to one end of the linkage screw, and the size of the throttle is larger than the diameter of the threaded guide hole.

[0013] Preferably, both ends of the loading platform are welded with insert seats, and the insert seats are internally connected with limit blocks, which are abutted and connected to the bearing seat.

[0014] Preferably, each of the four grooves at the bottom of the support seat is provided with an auxiliary roller, and the support seat is tactilely connected to the loading platform through the four auxiliary rollers.

[0015] Preferably, horizontal guide rods are provided on both sides of the threaded screw, and the two horizontal guide rods are integral with the linear frame. The screw slider is guided and movably connected to the linear frame through the two horizontal guide rods.

[0016] Preferably, support brackets are provided on the outer walls of both ends of the linear frame, and the four support brackets are welded to the linear frame, and the platform is welded to the support brackets.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] This invention involves blow molding preforms according to the contours of the inner walls of the fixed and moving mold bases. Three preforms are blow molded sequentially from front to back. When the second preform is blown, the first preform moves linearly out of the blow molding mechanism for natural cooling. Finally, the linkage screw is rotated to move the moving mold base away from the fixed mold base, facilitating the removal of the blow-molded plastic bottle. Then, the limiting block is removed, the carrier is taken off the loading platform, and the preform is placed on it. The ends are reversed and the preform is placed back on the rear end of the loading platform. This process is repeated. This facilitates loading and unloading while enabling uninterrupted blow molding operations. It overcomes the problem that existing servo-driven blow molding machines, which separate finished and defective products through a diversion component, still require manual loading and unloading during the blow molding process, thus affecting the blow molding efficiency of the blow molding machine. Attached Figure Description

[0019] Figure 1 This is a front view of the servo-driven linear blow molding machine of this utility model.

[0020] Figure 2 This is a rear view of the servo-driven linear blow molding machine of this utility model.

[0021] Figure 3 This is a cross-sectional view of the internal structure of the servo-driven linear blow molding machine of this utility model.

[0022] Figure 4 This is an enlarged schematic diagram of part A of the present invention;

[0023] In the diagram: 1. Linear frame; 2. Support bracket; 3. Servo motor; 4. Lead screw; 5. Horizontal guide rod; 6. Bottle blowing mechanism; 7. Compressed gas cylinder; 8. Transmission connecting plate; 9. Carrier platform; 10. Electric push rod; 11. Loading platform; 12. Bearing seat; 13. Auxiliary roller; 14. Fixed mold base; 15. Moving mold base; 16. Movable groove; 17. Linkage screw; 18. Rotary handle; 19. Insertion seat; 20. Limiting block; 21. Air nozzle; 22. Lead screw slider; 23. Connecting seat; 24. Bottom slider; 25. Threaded guide hole; 26. Anti-detachment turntable. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0025] Please see Figure 1-4An embodiment of this utility model is provided: a servo-driven linear blow molding machine, including a linear frame 1, a threaded screw 4 is provided inside the linear frame 1, a screw slider 22 is movably provided on the threaded screw 4, a servo motor 3 is provided at one end of the linear frame 1, and the output shaft of the servo motor 3 is connected to the threaded screw 4 through a coupling.

[0026] Also includes:

[0027] The connecting seat 23 is welded to the upper end of the lead screw slider 22, and a loading platform 11 is welded to the upper end of the connecting seat 23. Three bearing seats 12 are placed on the upper end of the loading platform 11, and each of the three bearing seats 12 has a movable groove 16 inside.

[0028] The fixed mold base 14 is integrally formed and set on the upper end of the support base 12, and a movable mold base 15 is provided on one side of the fixed mold base 14. The bottom slide block 24 is movably arranged inside the movable groove 16, and the bottom slide block 24 and the movable mold base 15 are integrally formed.

[0029] The carrier platform 9 is welded to one side of the linear frame 1, and an electric push rod 10 is fixed to the upper end of the carrier platform 9 by screws. A transmission connecting plate 8 is welded to one end of the piston rod of the electric push rod 10, and a bottle blowing mechanism 6 is welded to one end of the transmission connecting plate 8. A compressed gas cylinder 7 is set on the top of the bottle blowing mechanism 6, and a blowing nozzle 21 is set at the bottom port of the compressed gas cylinder 7.

[0030] In use, three support seats 12 are arranged and installed on the loading platform 11. Then, three pre-softened bottle preforms are placed into the cavity between the fixed mold base 14 and the moving mold base 15. Next, the servo motor 3 drives the screw 4 to rotate in both directions, so that the screw slider 22 moves linearly along the two horizontal guide rods 5, moving the three support seats 12 from front to back under the blow molding mechanism 6. After they are in place, the electric push rod 10 drives the blow molding mechanism 6 to fall, so that the blowing nozzle 21 is inserted into the preform between the fixed mold base 14 and the moving mold base 15. The preform is then placed according to the fixed mold base 14. 4. The contour of the inner wall of the moving mold base 15 is blow molded. Three preforms are blow molded sequentially from front to back. When the second preform is blow molded, the first preform moves linearly out of the blow molding mechanism 6 for natural cooling. Finally, the linkage screw 17 is rotated to move the moving mold base 15 away from the fixed mold base 14, making it easier to remove the blow-molded plastic bottle. Then, the limit block 20 is removed, the carrier 12 is removed from the loading platform 11, and a new pre-softened preform is placed in it. The first and second parts are swapped and put back into the rear position of the loading platform 11. This process is repeated, which facilitates loading and unloading of materials and realizes uninterrupted blow molding operation.

[0031] Please see Figure 4One end of the movable groove 16 is provided with a threaded guide hole 25, and a linkage screw 17 is movably disposed inside the threaded guide hole 25. An anti-detachment turntable 26 is rotatably disposed within the internal cavity of the bottom slider 24. The linkage screw 17 and the anti-detachment turntable 26 are an integral structure. The threaded guide hole 25 at one end of the movable groove 16 serves to facilitate the guiding movement of the linkage screw 17 within the movable groove 16. Please refer to [link / reference]. Figure 4 A handle 18 is welded to one end of the linkage screw 17. The size of the handle 18 is larger than the diameter of the threaded guide hole 25. The handle 18 welded to one end of the linkage screw 17 facilitates forward and reverse operation of the linkage screw 17. Please refer to [link / reference]. Figure 2 Both ends of the loading platform 11 are welded with insert seats 19. Limiting blocks 20 are inserted into the interior of each insert seat 19. The limiting blocks 20 abut against the bearing seat 12. The insert seats 19 welded to both ends of the loading platform 11 facilitate the installation of the limiting blocks 20 and their positioning on the bearing seat 12. Please refer to [link / reference]. Figure 1 Each of the four grooves at the bottom of the support base 12 is equipped with an auxiliary roller 13. The support base 12 is tactilely connected to the loading platform 11 via the four auxiliary rollers 13. The auxiliary rollers 13 in the four grooves at the bottom of the support base 12 assist the support base 12 in moving smoothly on the loading platform 11. Please refer to [link / reference]. Figure 3 The threaded screw 4 has horizontal guide rods 5 on both sides. The two horizontal guide rods 5 are integral with the linear frame 1. The screw slider 22 is connected to the linear frame 1 via the two horizontal guide rods 5. The horizontal guide rods 5 on both sides of the threaded screw 4 assist in the horizontal guiding movement of the screw slider 22. Please refer to [link / reference]. Figure 1 The straight frame 1 has support brackets 2 on both ends of its outer wall. All four support brackets 2 are welded to the straight frame 1. The base 9 is welded to the support brackets 2. The support brackets 2 on both ends of the straight frame 1 serve to support the straight frame 1.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A servo-driven linear blow molding machine, including a linear frame (1), a threaded screw (4) is provided inside the linear frame (1), a screw slider (22) is movably provided on the threaded screw (4), a servo motor (3) is provided at one end of the linear frame (1), and the output shaft of the servo motor (3) is connected to the threaded screw (4) through a coupling. Its features are: Also includes: A connecting seat (23) is welded to the upper end of the lead screw slider (22), and a loading platform (11) is welded to the upper end of the connecting seat (23). Three bearing seats (12) are placed on the upper end of the loading platform (11), and each of the three bearing seats (12) has a movable groove (16) inside. A fixed mold base (14) is integrally formed and disposed on the upper end of the bearing base (12), and a movable mold base (15) is provided on one side of the fixed mold base (14). A bottom slider (24) is movably disposed inside the movable groove (16), and the bottom slider (24) and the movable mold base (15) are integrally formed. A carrier platform (9) is welded to one side of the linear frame (1), and an electric push rod (10) is fixed to the upper end of the carrier platform (9) by screws. A transmission connecting plate (8) is welded to one end of the piston rod of the electric push rod (10), and a bottle blowing mechanism (6) is welded to one end of the transmission connecting plate (8). A compressed gas cylinder (7) is provided on the top of the bottle blowing mechanism (6), and a blowing nozzle (21) is provided at the bottom port of the compressed gas cylinder (7).

2. The servo-driven linear blow molding machine according to claim 1, characterized in that: One end of the movable groove (16) is provided with a threaded guide hole (25), and a linkage screw (17) is movably connected inside the threaded guide hole (25). An anti-detachment turntable (26) is rotatably arranged in the internal cavity of the bottom slider (24). The linkage screw (17) and the anti-detachment turntable (26) are an integral structure.

3. The servo-driven linear blow molding machine according to claim 2, characterized in that: One end of the linkage screw (17) is welded with a throttle (18), the size of which is larger than the diameter of the threaded guide hole (25).

4. The servo-driven linear blow molding machine according to claim 1, characterized in that: Both ends of the loading platform (11) are welded with insert seats (19), and the insert seats (19) are internally connected with limit blocks (20), which are in contact with the bearing seat (12).

5. The servo-driven linear blow molding machine according to claim 1, characterized in that: Each of the four grooves at the bottom of the bearing seat (12) is provided with an auxiliary roller (13), and the bearing seat (12) is tumbled to the loading platform (11) through the four auxiliary rollers (13).

6. The servo-driven linear blow molding machine according to claim 1, characterized in that: The threaded screw (4) is provided with horizontal guide rods (5) on both sides. The two horizontal guide rods (5) and the linear frame (1) are an integral structure. The screw slider (22) is guided and connected to the linear frame (1) through the two horizontal guide rods (5).

7. The servo-driven linear blow molding machine according to claim 1, characterized in that: The straight frame (1) is provided with support brackets (2) on both ends of the outer wall. All four support brackets (2) are welded to the straight frame (1), and the platform (9) is welded to the support brackets (2).

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